Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences. (1947)

Chapter: 673 - 693

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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Page 680 Cite Bookmark
Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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Suggested Citation: "673 - 693." National Research Council. 1947. Research on Guidance Devices and Reading Machines for the Blind; a Final Report, Under the Auspices of the Committee on Sensory Devices, the National Academy of Sciences.. Washington, DC: The National Academies Press. doi: 10.17226/28709.
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